نتایج جستجو برای: resonant circuit

تعداد نتایج: 142329  

Journal: :Physical review letters 2005
J Zhou Th Koschny M Kafesaki E N Economou J B Pendry C M Soukoulis

We investigate numerically the limits of the resonant magnetic response with a negative effective permeability mu(eff) for single-ring multicut split-ring resonator (SRR) designs up to optical frequencies. We find the breakdown of linear scaling due to the free electron kinetic energy for frequencies above approximately 100 THz. Above the linear scaling regime, the resonance frequency saturates...

2012
M. Lenzhofer D. Holzmann A. Tortschanoff

In this paper we present a new multichannel high voltage driver box to connect up to six MOEMS mirror devices to it that have resonant and also quasistatically driven actuating electrodes. It is possible to drive all resonant axes synchronously while the amplitude of them can individually be controlled by separate microcontrollers that also operate the quasistatic axes. Circuit simulations are ...

Journal: :IEEE Journal of Emerging and Selected Topics in Power Electronics 2022

Enhanced active resonant (EAR) dc circuit breakers (DCCBs) are a promising set of recently proposed DCCB concepts. As other DCCBs, EAR DCCBs still require fast mechanical switch. The requirements on the actuator switch depend concept and grid derived here for an DCCB. Thomson-coil actuators (TCAs) can open close switches sufficiently to satisfy requirements. This work studies experimentally TCA...

Journal: :IEEE Transactions on Applied Superconductivity 2007

Journal: :IEEE Transactions on Power Delivery 2021

Direct current circuit breakers (DCCBs) have become a large research topic and are considered one of the critical components for future DC grids. Proposed DCCB concepts may be grouped into hybrid DCCBs active resonant DCCBs. In this work, enhanced (EAR) family is introduced. EAR combine elements The consists unidirectional six bidirectional concepts. All feature proactive commutation. main char...

Journal: :Proceedings of the Wisconsin Space Conference 2014

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